"Teacher, are you awake? I made dinner. Why don't you join me?" "Who are you?" "My wife, Ran." "But I'm not feeling well today." "That's too bad." The woman named Lan told me that I had an accident three months ago and lost my memory. And, my symptom is that when I wake up, all my memories are reset, and every morning when I wake up, I go back to a state where I don't remember anything from the day before...